#div1 {
    background-image: url(bg.jpg);
    background-repeat:no-repeat;
    width: 500px;
    height: 550px;
    border: 1px solid #000;
    text-align: center;
    margin-bottom: 20px;
    margin: 0 auto;
  }

  .bar {
    height: 25px;
    width: 150px;
    line-height: 25px;
    display: inline-block;
    border: solid 1px #000;
    margin-left: 20px;
    margin-right: 20px;
    background-color: #FFB6C1;
  }

  #map {/* 地图设置 */
    margin: auto; /*矩阵居中显示*/
  }

  .box {
    width: 25px;
    height: 25px;
    line-height: 25px;
    display: block;
    text-align: center;
    border: solid 1px #000;
    user-select: none;
    cursor: pointer;
  }

  .box:hover {
    background: #8470FF;
  }

  .butt {
    height: 25px;
    width: 150px;
    line-height: 25px;
    display: inline-block;
    border: solid 1px #000;
    margin-top: 20px;
    margin-left: 20px;
    margin-right: 20px;
    background-color: #8470FF;
  }

  #div2{
    width: 400px;
    height: 430px;
    border: solid 3px #FF4500;
    margin: auto;
    margin-top: 20px;
    /* background-color: #D8BFD8; */
    background-color: #ADD8E6;
    opacity:0.8;
  }